Chris was originally scheduled to fight Dan Lauzon at Affliction: Day of Reckoning but was denied his license for failing his physical.[1] Chris then suffered from a bulging disc in his neck and has lost about 80% of his strength in his right arm. The fight was rescheduled to the next event, Affliction: Trilogy but the event was canceled.

He made his WEC debut against Anthony Njokuani on December 19, 2009 at WEC 45.[3] Horodecki lost via first round TKO, after Chris´ attempt to create distance by turning his back and running away, his opponent Njokuani caught him with a high kick to the head and followed up with punches on the ground.

Horodecki was expected to face Ed Ratcliff on June 20, 2010 at WEC 49,[4] but just days before the event, Ratcliff pulled out of the event for undiclosed reasons.[5] Horodecki instead faced WEC newcomer Danny Downes[6] and won the fight via submission in the third round.

The fight between Horodecki and Ratcliff eventually took place on September 30, 2010 at WEC 51.[7] He won the fight via split decision.

Horodecki faced Donald Cerrone on December 16, 2010 at WEC 53.[8] He lost the fight via submission in the second round and was subsequently released from the promotion.[9]

Chris Horodecki was scheduled to take on Kalvin Hackney in Sarnia, Ontario on October 19, in the Score Fighting Series.[13] Prior to the fight Hackney was injured, and Horodecki instead was matched with Brad Cardinal.[14] Cardinal and Horodecki clashed heads in the first round, causing a severe cut to Horodecki. The doctor stopped the fight after the first round, and the fight was subsequently declared a no contest.[15]

With a lack of Ontario-based MMA events, Chris Horodecki accepted to fight Tim Smith at XFFC 2 in Grande Prairie, Alberta on July 20, 2013. Horodecki will return to the Lightweight division for a XFFC Lightweight Title fight.[16] Horodecki won via arm triangle choke in round one to win the XFFC Lightweight Championship.

Chris will fight in his hometown of London, Ontario against Jason Dent on October 26, 2013 at Provincial Fighting Championship 1.[17] Unfortunately, Jason Dent pulled out of the fight and Frank Caraballo was named as a replacement.[18] Horodecki won via unanimous decision.

Chris Horodecki signed with the World Series of Fighting and will appear on the WSOF 7 event in Vancouver, British Columbia on December 7, 2013.[19] However, Horodecki never appeared on the WSOF 7 event.

Horodecki instead made his debut at WSOF 14 against Luis Huete on October 11, 2014 in Edmonton, Alberta.[20] He won the fight via unanimous decision.